85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
|
/* (C) 2008 Jean-Marc Valin, CSIRO
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
Redistribution and use in source and binary forms, with or without
|
||
|
|
modification, are permitted provided that the following conditions
|
||
|
|
are met:
|
||
|
|
|
||
|
|
- Redistributions of source code must retain the above copyright
|
||
|
|
notice, this list of conditions and the following disclaimer.
|
||
|
|
|
||
|
|
- Redistributions in binary form must reproduce the above copyright
|
||
|
|
notice, this list of conditions and the following disclaimer in the
|
||
|
|
documentation and/or other materials provided with the distribution.
|
||
|
|
|
||
|
|
- Neither the name of the Xiph.org Foundation nor the names of its
|
||
|
|
contributors may be used to endorse or promote products derived from
|
||
|
|
this software without specific prior written permission.
|
||
|
|
|
||
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
||
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||
|
|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef KFFT_SINGLE_H
|
||
|
|
#define KFFT_SINGLE_H
|
||
|
|
|
||
|
|
#ifdef ENABLE_TI_DSPLIB
|
||
|
|
|
||
|
|
#include "dsplib.h"
|
||
|
|
|
||
|
|
#define real16_fft_alloc(length) NULL
|
||
|
|
#define real16_fft_free(state)
|
||
|
|
#define BITREV(state, i) (i)
|
||
|
|
|
||
|
|
#define real16_fft_inplace(state, X, nx)\
|
||
|
|
(\
|
||
|
|
cfft_SCALE(X,nx/2),\
|
||
|
|
cbrev(X,X,nx/2),\
|
||
|
|
unpack(X,nx)\
|
||
|
|
)
|
||
|
|
|
||
|
|
#define real16_ifft(state, X, Y, nx) \
|
||
|
|
(\
|
||
|
|
unpacki(X, nx),\
|
||
|
|
cifft_NOSCALE(X,nx/2),\
|
||
|
|
cbrev(X,Y,nx/2)\
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
#else /* ENABLE_TI_DSPLIB */
|
||
|
|
|
||
|
|
#ifdef FIXED_POINT
|
||
|
|
|
||
|
|
#ifdef DOUBLE_PRECISION
|
||
|
|
#undef DOUBLE_PRECISION
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef MIXED_PRECISION
|
||
|
|
#undef MIXED_PRECISION
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* FIXED_POINT */
|
||
|
|
|
||
|
|
#include "kiss_fft.h"
|
||
|
|
#include "kiss_fftr.h"
|
||
|
|
#include "_kiss_fft_guts.h"
|
||
|
|
|
||
|
|
#define real16_fft_alloc(length) kiss_fftr_alloc_celt_single(length, 0, 0);
|
||
|
|
#define real16_fft_free(state) kiss_fft_free(state)
|
||
|
|
#define real16_fft_inplace(state, X, nx) kiss_fftr_inplace(state,X)
|
||
|
|
#define BITREV(state, i) ((state)->substate->bitrev[i])
|
||
|
|
#define real16_ifft(state, X, Y, nx) kiss_fftri(state,X, Y)
|
||
|
|
|
||
|
|
#endif /* !ENABLE_TI_DSPLIB */
|
||
|
|
|
||
|
|
#endif /* KFFT_SINGLE_H */
|